import multiprocessing
import time

def dance():
  for i in range(5):
    print("跳舞中...")
    time.sleep(0.2)


def sing():
  for i in range(5):
    print("唱歌...")
    time.sleep(0.2)
if __name__ == '__main__':

  danceProcess=multiprocessing.Process(group=None,target=dance)
  singProcess=multiprocessing.Process(group=None,target=sing)

  singProcess.start()
  danceProcess.start()